WO2020011851A2 - Boîte de vitesses à plusieurs rapports à commutation sous charge - Google Patents

Boîte de vitesses à plusieurs rapports à commutation sous charge Download PDF

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Publication number
WO2020011851A2
WO2020011851A2 PCT/EP2019/068529 EP2019068529W WO2020011851A2 WO 2020011851 A2 WO2020011851 A2 WO 2020011851A2 EP 2019068529 W EP2019068529 W EP 2019068529W WO 2020011851 A2 WO2020011851 A2 WO 2020011851A2
Authority
WO
WIPO (PCT)
Prior art keywords
brake
speed transmission
gear
power
power shiftable
Prior art date
Application number
PCT/EP2019/068529
Other languages
German (de)
English (en)
Other versions
WO2020011851A3 (fr
Inventor
Ianislav Krastev
Wael Mohamed
Tobias SCHLITTENBAUER
Original Assignee
Robert Bosch Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Priority to EP19740335.5A priority Critical patent/EP3821155A2/fr
Priority to US17/259,645 priority patent/US11312231B2/en
Priority to CN201980046458.1A priority patent/CN112400072A/zh
Publication of WO2020011851A2 publication Critical patent/WO2020011851A2/fr
Publication of WO2020011851A3 publication Critical patent/WO2020011851A3/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
    • B60K17/08—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
    • B60T1/005—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles by locking of wheel or transmission rotation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
    • B60W10/11—Stepped gearings
    • B60W10/115—Stepped gearings with planetary gears
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
    • B60W30/18—Propelling the vehicle
    • B60W30/18009—Propelling the vehicle related to particular drive situations
    • B60W30/18109—Braking
    • B60W30/18127—Regenerative braking
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/62—Gearings having three or more central gears
    • F16H3/64—Gearings having three or more central gears composed of a number of gear trains, the drive always passing through all the trains, each train having not more than one connection for driving another train
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/62—Gearings having three or more central gears
    • F16H3/66—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
    • F16H3/663—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another with conveying rotary motion between axially spaced orbital gears, e.g. RAVIGNEAUX
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/0059—Braking of gear output shaft using simultaneous engagement of friction devices applied for different gear ratios
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/34—Locking or disabling mechanisms
    • F16H63/3416—Parking lock mechanisms or brakes in the transmission
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/001—Arrangement or mounting of electrical propulsion units one motor mounted on a propulsion axle for rotating right and left wheels of this axle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2710/00—Output or target parameters relating to a particular sub-units
    • B60W2710/10—Change speed gearings
    • B60W2710/1005—Transmission ratio engaged
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/70—Gearings
    • B60Y2400/73—Planetary gearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0034—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising two forward speeds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
    • F16H2200/2005—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with one sets of orbital gears
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
    • F16H2200/2007—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with two sets of orbital gears
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
    • F16H2200/2035—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with two engaging means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
    • F16H2200/2064—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes using at least one positive clutch, e.g. dog clutch
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/2079—Transmissions using gears with orbital motion using freewheel type mechanisms, e.g. freewheel clutches
    • F16H2200/2082—Transmissions using gears with orbital motion using freewheel type mechanisms, e.g. freewheel clutches one freewheel mechanisms

Definitions

  • the invention relates to a power shiftable multi-speed transmission, which is arranged in the drive train of a vehicle, with at least one sun gear and at least one stepped planetary gear, furthermore at least one ring gear, an input shaft and an output shaft.
  • DE 10 2014 112 602 A1 relates to an electric drive for a vehicle with a torque vectoring unit.
  • the electric drive comprises a first electric machine that has a rotor and a gearbox, the gearbox being one that can be driven by the first electric machine
  • a torque vectoring unit which includes a second electric machine and a
  • Superposition gear has. This creates a differential torque between the two output shafts using the torque vectoring unit.
  • the axis of rotation of the rotor of the first electric machine runs parallel to the axis of a central axis of the superposition gear.
  • a power shiftable multi-speed transmission which is arranged in the drive train of a vehicle, with at least one sun gear, at least one stepped planet gear, at least one ring gear, an input shaft and an output shaft.
  • the invention powershiftable multi-speed transmission can be shifted via the at least one stepped planetary gear into a shifting state of first gear or into a shifting state of second gear and vice versa, a first ring gear being associated with a first brake and a second ring gear with a second brake.
  • there is a torque flow in a first gear shift state or in a second gear shift state there is a torque flow in a first gear shift state or in a second gear shift state. The moment can be transmitted in pushing and pulling directions and all switching between the states can be carried out as load switching.
  • the solution proposed according to the invention is characterized in particular by the fact that by using two brakes, which can either be actuated coupled to one another or can be actuated individually
  • Power shift in pull and push operation of the power shift multi-speed transmission proposed according to the invention can be achieved. In this way, thrust or recuperation interruptions can be avoided. Furthermore, no synchronization is required; simple actuation by means of only one actuator when switching the two brakes as a double brake is possible
  • Multi-speed transmission comprises a planet carrier, on which the at least two stepped planet gears are received, the
  • Planet carrier is connected directly to the output shaft.
  • this can comprise a second sun gear, which is connected to the output shaft and around which the stepped planet gears rotate.
  • the power shift multi-speed transmission proposed according to the invention comprises a first brake and a second brake. These can either be operated independently of one another via separate actuators, which allows greater freedom in the control of the power shiftable multi-speed transmission. Alternatively, there is the possibility of using the first brake and the second brake coupled together as a double brake. For example The first brake and the second brake can be coupled to one another via a shift sleeve. This is done with an actuator
  • Worm drive move within a bidirectional travel path and either actuates the first brake, with the second brake being released, or the second brake, with the first brake being released.
  • Output shaft there is a torque flow in overrun mode, for example when driving downhill, in which a battery of an electrically operated vehicle can be charged by converting kinetic energy into electrical energy.
  • the multi-speed transmission is in a second gear shift state and one
  • the power shiftable multi-speed transmission can be used
  • the power shiftable multi-speed transmission proposed according to the invention can be arranged, for example, in a drive axle of an electrically operated vehicle in an axially parallel arrangement with respect to a differential gear. Furthermore, there is also the possibility that the invention
  • the power shiftable multi-speed transmission can also be arranged in a coaxial arrangement
  • the electric machine of the electrically operated vehicle would be designed, in particular, as a hollow shaft machine, which entails space advantages for an E-axis component for electrically operated vehicles.
  • the solution proposed according to the invention advantageously enables a power shift of the powershiftable multi-speed transmission in the train mode and in the overrun mode by using two brakes.
  • the two brakes can either be operated independently of one another;
  • a parking lock function can be brought about simultaneously by blocking the transmission when both brakes are closed.
  • Multi-speed gearboxes can be used, for example, for components such as electrical
  • the bidirectional powershift gearbox proposed according to the invention can also be integrated into a differential gear, in addition there is the possibility of the powershift gearbox proposed according to the invention
  • Planetary gears have the highest power density among all types of gears, which is why the gear is light and very compact. Two gears enable the electrical machine used to operate more efficiently.
  • Figure 2 shows the coupling of the first and second brakes on the power shift
  • FIG. 3 shows an embodiment variant of the power shiftable multi-speed transmission with a second sun gear proposed according to the invention
  • 4 shows an axially parallel arrangement of the embodiment variant of the powershiftable multi-speed transmission according to FIG. 1 to the drive axle of a vehicle and
  • Figure 5 shows the arrangement of the second embodiment of the power shift
  • Multi-speed transmission axially parallel to a drive axis of an electrically operated vehicle
  • the power shift multi-speed transmission 10 described below can be used both in drive trains of electrically operated vehicles and in partially electrified vehicles which are conventional
  • FIG. 1 shows a first embodiment variant of the power shift multi-speed transmission 10 proposed according to the invention.
  • the powershiftable multi-speed transmission 10 comprises one
  • a first step planet gear 16 and at least one further second step planet gear 22 rotate around the first sun gear 14.
  • the first step planet gear 16 comprises a first step 18 and a second step 20.
  • the situation is similar with the second step planet gear 22 shown in FIG. 1, which has a first step 24 and a further second step 26, the second step 26 having a smaller number of teeth may have as the first stage 24 of the second planetary gear.
  • the first stages 18 and 24 of the two planetary gears 16, 22 run on the one hand around the first sun gear 14 and on the other hand within a first ring gear 34 the respective second stages 20 and 26 of the two planetary gears 16 and 22 revolve.
  • a first brake 30 is assigned to the first ring gear 34
  • a further second brake 32 is assigned to the second ring gear 36.
  • the at least two stepped planet gears 16 and 22 are received on a planet carrier 38 which is connected to an output shaft 40 of the power shiftable multi-speed transmission 10.
  • Figure 2 shows the first embodiment of the
  • FIG. 1 shows a variant in which the first brake 30 and the second brake 32 are coupled to one another, for example via a shift sleeve 44, and actuation takes place as a double brake 42.
  • the power flow in the second gear of the powershiftable multi-speed transmission runs from the drive shaft 12 via the first sun gear 14 to the first Stepped planetary gear 16 and the second stepped planetary gear 22, or their second stages 20 and 26, from there, the output extends via the planet carrier 38 to the output shaft 40.
  • the first ring gear 34 is fixed by the brake 30.
  • a reverse gear takes place when the electric machine is reversed, starting from the output shaft 40 via the planet carrier 38 to the first stages 18, 24 of the planetary gears 16, 22 to the first sun gear 14. From there, the output takes place via the first sun gear 14 to the drive shaft 12. In reverse gear there is the same power flow as in first gear only with reverse
  • Figure 3 shows a second embodiment of the invention
  • the second sun gear 80 around which the second stages 20 and 26 of the two stage planet gears 16 and 22 revolve, is connected directly to the output shaft 40 of the powershiftable multi-speed transmission 10.
  • the second embodiment variant has the drive shaft 12 and the first sun gear 14.
  • the two ring gears 34, 36 are each assigned the first brake 30 with respect to the first ring gear 34 and the second brake 32 with respect to the second ring gear 36.
  • the two stepped planet gears 16 and 22 are received on the planet carrier 38.
  • the planet carrier 38 according to the further second embodiment variant of the powershiftable multi-speed transmission 10 is slightly modified with respect to the planet carrier 38 according to the first embodiment variant of the powershiftable multi-speed transmission 10, as shown in FIG.
  • first brake 30 and the second brake 32 are connected to one another via the shift sleeve 44.
  • the shift sleeve 44 is in turn by means of the actuator 48, the can be provided, for example, with a worm drive, move within the bidirectional travel path 46.
  • the actuator 48 By actuating the two brakes 30 and 32 as a double brake 42, an actuator is saved in comparison to a separate activation of the first brake and the second brake 32.
  • the two brakes 30, 32 are actuated as a double brake 42, either the first brake is closed, the second brake 32 being open, or the first brake 30 is open, while the second brake 32 is closed.
  • FIG. 4 shows the power shift multi-speed transmission 10 proposed according to the invention, which is equipped with a
  • Spur gear 70 drives differential gear 72 of a drive axle 68.
  • the powershiftable multi-speed transmission 10 shown in FIG. 4 is arranged in an axially parallel arrangement 66 with respect to the drive axle 68 of the vehicle.
  • the power shiftable multi-speed transmission 10 as shown in FIG. 4 is driven by the drive shaft 12 on which the first
  • Sun gear 14 is added. This combs with at least two
  • the two second stages 20 and 26 of the first stage planet gear 18 and the second stage planet gear 22 rotate within the second ring gear 36.
  • Stepped planet gears 16 and 22 are received on a planet carrier 38, which in turn is connected to the output shaft 40.
  • Stepped planet gear 22 revolve within the second ring gear 36, to which the second brake 32 is assigned, which in turn is also supported on the housing 28 of the power shiftable multi-speed transmission 10.
  • the output shaft 40 of the powershiftable multi-speed transmission 10 is connected to an input gear of the spur gear stage 70.
  • the differential gear 72 comprises a cage 74 from which an axle drive 76 extends to the drive axle 68 to the driven wheels of the vehicle, not shown here.
  • FIG. 5 shows the power shiftable multi-speed transmission 10 according to its second embodiment variant, in an axially parallel arrangement 66 to a drive axle 68 of a vehicle.
  • the powershiftable multi-speed transmission 10 shown in FIG. 5 is shown in FIG.
  • Axially parallel arrangement 66 arranged with respect to the drive axle 68 of a vehicle and drives the differential gear 72 via the spur gear stage 70.
  • the differential gear 72 includes the cage 74, from which the
  • Axle drive 76 extends. These drive driven wheels, not shown in FIG. 5, of a vehicle.
  • the powershiftable multi-speed transmission 10 shown in FIG. 5 is the second embodiment variant of the powershiftable multi-speed transmission 10 proposed according to the invention, as shown in FIG.
  • the second embodiment variant of the powershiftable multi-speed transmission 10 differs from its first embodiment variant in that the second sun gear 80 is provided, which acts directly on the output shaft 40, which in turn acts in this case as a drive shaft for the spur gear stage 70.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Automation & Control Theory (AREA)
  • Structure Of Transmissions (AREA)

Abstract

L'invention concerne une boîte de vitesses à plusieurs rapports (10) à commutation sous charge, laquelle est disposée dans la chaîne de transmission d'un véhicule. La boîte de vitesses à plusieurs rapports comprend au moins une roue solaire (14, 80), au moins un satellite étagé (16, 22), au moins une couronne (34, 36) et un arbre d'entraînement (12) ainsi qu'un arbre de sortie (40). La boîte de vitesses à plusieurs rapports (10) à commutation sous charge peut être commutée par l'intermédiaire du ou des satellites étagés (16, 22) dans un état de commutation de premier rapport ou dans un état de commutation de deuxième rapport, et inversement. Un premier frein (30) est associé à une première couronne (34), et un deuxième frein (32) est associé à une deuxième couronne (36). Selon leur activation, au moins un flux de couple dans le mode de traction est de mise dans les états de commutation ou au moins un flux de couple est de mise dans le mode de propulsion du fait de la boîte de vitesses à plusieurs rapports (10) à commutation sous charge.
PCT/EP2019/068529 2018-07-12 2019-07-10 Boîte de vitesses à plusieurs rapports à commutation sous charge WO2020011851A2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP19740335.5A EP3821155A2 (fr) 2018-07-12 2019-07-10 Boîte de vitesses à plusieurs rapports à commutation sous charge
US17/259,645 US11312231B2 (en) 2018-07-12 2019-07-10 Power-shift multi-speed transmission
CN201980046458.1A CN112400072A (zh) 2018-07-12 2019-07-10 能够动力切换的多挡传动机构

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018211672.5A DE102018211672A1 (de) 2018-07-12 2018-07-12 Lastschaltbares Mehrganggetriebe
DE102018211672.5 2018-07-12

Publications (2)

Publication Number Publication Date
WO2020011851A2 true WO2020011851A2 (fr) 2020-01-16
WO2020011851A3 WO2020011851A3 (fr) 2020-04-02

Family

ID=67303447

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/068529 WO2020011851A2 (fr) 2018-07-12 2019-07-10 Boîte de vitesses à plusieurs rapports à commutation sous charge

Country Status (5)

Country Link
US (1) US11312231B2 (fr)
EP (1) EP3821155A2 (fr)
CN (1) CN112400072A (fr)
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US11312231B2 (en) 2022-04-26
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